New patch to review for coreboot: intel/kunimitsu: Add SD card detect GPIO for SDHCI runtime PM

[Patrick Georgi]

Patrick Georgi ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13990

-gerrit

commit bfa5d4279cd4dc29f569bee9973b3e0237bd9ce2
Author: mgarima 
Date:   Mon Feb 29 15:11:18 2016 +0530

intel/kunimitsu: Add SD card detect GPIO for SDHCI runtime PM

Enable SDHCI runtime PM since the display flicker due to
    SCC Power Gatingis addressed by 0x82 microcode

BRANCH=glados
    BUG=chrome-os-partner:44663
    TEST=Check if display flicker is gone when SCC is power-gated

Change-Id: I7d1ac6e77a0d2e0a25414df6130862efcdae2c82
    Signed-off-by: Patrick Georgi 
    Original-Commit-Id: b552120cfeff09d16cb79652b7de7296121858ba
    Original-Change-Id: Id82df475b262e8a91f0a93f8ddf80002b05c52f3
    Original-Signed-off-by: Medha Garima 
    Original-Reviewed-on: https://chromium-review.googlesource.com/329651
    Original-Commit-Ready: Jenny Tc 
    Original-Tested-by: Jenny Tc 
    Original-Reviewed-by: Aaron Durbin 
    Original-Reviewed-on: https://chromium-review.googlesource.com/331172
    Original-Commit-Ready: Patrick Georgi 
    Original-Tested-by: Patrick Georgi 
    Original-Reviewed-by: Patrick Georgi 
---
 src/mainboard/intel/kunimitsu/acpi/mainboard.asl | 19 +++++++++++++++++++
 src/mainboard/intel/kunimitsu/gpio.h             |  3 +++
 2 files changed, 22 insertions(+)

diff --git a/src/mainboard/intel/kunimitsu/acpi/mainboard.asl b/src/mainboard/intel/kunimitsu/acpi/mainboard.asl
index f44e362..4a85e35 100644
--- a/src/mainboard/intel/kunimitsu/acpi/mainboard.asl
+++ b/src/mainboard/intel/kunimitsu/acpi/mainboard.asl
@@ -308,3 +308,22 @@ Scope (_SB.PCI0.I2C4)
    	}
    }
 }
+
+Scope (_SB.PCI0.SDXC)
+{
+	Name (_CRS, ResourceTemplate () {
+		GpioInt (Edge, ActiveBoth, SharedAndWake, PullNone, 10000,
+			 "\_SB.PCI0.GPIO", 0, ResourceConsumer)
+		{
+			GPIO_SD_CARD_DETECT
+		}
+	})
+
+	Name (_DSD, Package () {
+		ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301"),
+		Package ()
+		{
+			Package () { "cd-gpio", Package () { ^SDXC, 0, 0, 1 } },
+		}
+	})
+}
diff --git a/src/mainboard/intel/kunimitsu/gpio.h b/src/mainboard/intel/kunimitsu/gpio.h
index 2dc8cfc..de51fb5 100644
--- a/src/mainboard/intel/kunimitsu/gpio.h
+++ b/src/mainboard/intel/kunimitsu/gpio.h
@@ -58,6 +58,9 @@
  */
 #define AUDIO_DB_ID		GPP_E3

+/* SD controller needs additional card detect GPIO to support RTD3 */
+#define GPIO_SD_CARD_DETECT	GPP_A7
+
 #ifndef __ACPI__
 /* Pad configuration in ramstage. */
 static const struct pad_config gpio_table[] = {